1013185450 has 24 divisors (see below), whose sum is σ = 1983712320. Its totient is φ = 383943600.

The previous prime is 1013185429. The next prime is 1013185451. The reversal of 1013185450 is 545813101.

It is not an unprimeable number, because it can be changed into a prime (1013185451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 532306 + ... + 534205.

It is an arithmetic number, because the mean of its divisors is an integer number (82654680).

Almost surely, 2^1013185450 is an apocalyptic number.

1013185450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013185450 is a deficient number, since it is larger than the sum of its proper divisors (970526870).

1013185450 is a wasteful number, since it uses less digits than its factorization.

1013185450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066542 (or 1066537 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1013185450 is about 31830.5741387114. The cubic root of 1013185450 is about 1004.3759729289.

Adding to 1013185450 its reverse (545813101), we get a palindrome (1558998551).

The spelling of 1013185450 in words is "one billion, thirteen million, one hundred eighty-five thousand, four hundred fifty".